Monarch butterflies El Rosario sanctuary Mexico

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies in the El Rosario sanctuary in Mexico's state of Michoacán © Natalia Koper

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

Monarch butterflies are flying high in Mexican el Rosario with a population increase of 200%

18 december 2015,

by Editorial staff